| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 = servis en premier | 76 |
52.1%
|
| 2 | 2 = servis en second | 24 |
16.4%
|
| 3 | 3 = servis en troisième | 6 |
4.1%
|
| 4 | 4 = servis en quatrième | 9 |
6.2%
|
| 5 | 5 = Non applicable | 31 |
21.2%
|
| Sysmiss | 1719 |